Ko tēhea Whakamātautau Mārō te Mea Pai mō ngā Pereti Whakamau: Brinell, Rockwell, Vickers rānei?

I roto i ngā taiao whakakoi e whakatakotoria ana ngā pereti kakahu — pērā ingā awa keri, ngā oko mira maitai, ngā arai tipu sima rānei — ehara te pakeke i te tau noa iho.

Mō tētahipereti kakahu whakakikorua chromium carbidehe pereti ātete-kakahu rua-whakarewa rānei, he inenga mahi nui e tohu ana i te pakari, e whakarite ana i te kounga o te hanga, ā, e whakamanawa ana i ngā kaiwhakamahi mutunga.

Engari i roto i ngā whakamātautau pakeke noa — Brinell (HB), Rockwell (HRC), me Vickers (HV) — ko tēhea te mea tino pai mō ngā rauemi hiato ātete-mau o ēnei rā?

He aha te Hiranga o te Whakamātautau Pakeke i roto i ngā Pereti Kākahu Chromium Carbide

Ātete kakahu = Mārō:

I ngā whakamahinga whakakoi, ngā whakamahinga pānga nui rānei, ka pā tika te pakeke o te mata o tētahi pereti ātete-kakahu chromium carbide ki tōna roanga o te ora.

Mana Kounga Hanganga: Mā te whakamātautau pakeke o ia rā ka puta he hua ōrite i roto i te tukanga whakarewa whakakikorua.

Te Whakapono o te Kaihoko: Mā ngā uara pakeke kua tuhia ka āwhina i ngā kaihangarau me ngā tīma hokohoko ki te manatoko i te mahi a ngā rauemi i te wā tuatahi.

Hanganga o te Pereti Kakahu Whakarewa-rua: He aha i uaua ai te whakamātautau

A pereti kakahu rua-whakarewako te tikanga he:

Turanga maitai ngawari (mō te ngāwari o te whakarewa me te tautoko hanganga)

Paparanga paparanga mārō (he mea hanga noa ki te chromium carbide)

Ka uaua ake te whakamātautau i tēnei hanganga paparua-rua:

Mena he angiangi rawa te paparanga, ka kore pea e taea e ngā whakamātautau te ine i te konganuku turanga.

Mena he koretake te mata, he paru rānei kei roto, ka rerekē pea ngā hua.

Ngā Tikanga Whakamātautau Pakeke: Ngā Painga me ngā Huakore

3.1 Te Pakari o Brinell (HB)

Me pēhea te mahi: Ka whakapikohia te mata mā te whakamahi i te pōro maitai/tungsten i raro i te kawenga taumaha.

Tauira whakamahi: He pai ake mō ngā papa ngohengohe pēnei i te pereti turanga.

Herenga: He taratara rawa mō ngā paparanga angiangi. Tērā pea ka raru ngā pānui mai i ngā paparanga e rua i te kōpikotanga.

Whakatau: ✅ He pai mō te konganuku turanga / ❌ Kāore i te pai mō te whakakikorua mārō

3.2 Te Pakari o Rockwell (HRC)

Me pēhea te mahi: Ka whakamahia te kaha e te koeko maitai, taimana rānei; ka inehia te hohonu mā te hiko.

Tauira whakamahi: He mea noa i roto i ngā awheawhe i te wā e whakaputa ana.

Herenga: Ka taea e te matotoru o te paparua me ngā rerekētanga o te hanganga moroiti te whakapē i ngā hua.

Whakatau: ✅ Tika taurite / ⚠ Me āta whakatikatika

3.3 Te Mārō o Vickers (HV)

Me pēhea te mahi: Ka pēhia he kōhao piramita taimana ki te mata, ā, ka inehia te kōhao mā te whatu.

Tauira whakamahi: He tino pai mō ngā paninga angiangi me te ine tika i roto i te taiwhanga.

Herenga: Me whakarite mā te tohunga, he nui ake te wā e pau ana.

Whakatau: ✅✅ Ko te kōwhiringa pai rawa atu mōngā pereti kakahu whakakikorua chromium carbide

Whakarāpopototanga: Ko tēhea Whakamātautau me Whakamahi e Koe?

Mō te aromatawai i ngā pereti kakahu chromium carbide, i ngā arai bimetallic rānei, ka tukuna e Vickers ngā hua tino tika me te motuhake ki te paparanga — ina koa kei raro iho i te 6mm te matotoru o te paparanga.

Ngā Āhuatanga e Pā Ana ki te Tika o te Whakamātautau

Hei whiwhi i ngā pānui mārō pumau, pono hoki mō ngā rauemi pereti ātete-kākahu chromium carbide, whakaarohia ēnei e whai ake nei:

Matotoru o te Paparua: Angiangi rawa = te awe o te konganuku turanga

Āhua o te Mata: Tērā pea ka pāngia ngā pānui e ngā pīrere whakarewa, te paru, ngā tohu huri rānei

Rohe Whakawaiwai: Ka taea e ngā rohe koranu whakaranu i waenga i te paparanga me te turanga te whakapē i te pakeketanga ā-rohe